- During the first 2 weeks after payment the customer has the right to request a refund. In that case the license is marked as expired and will be canceled during the weekly check for software updates (this might take a few days before it comes into effect).
- When payment was done via credit card and the payment is revoked after obtaining a license file then the same as above (the annulation of payment is also regarded to be a refund).
- Both refund and annulation will cause that a license can not be obtained again for the same computer for a period of at least 30 days. This is because the refund or annulation is for the original amount (which is more than DSS gets from the transaction so the customer can only do this once).
- Licenses are not subscriptions (meaning you are not entitled to a refund of unused periods of the license).
- Acquiring a permanent license for a computer that had previously a temporary license does not entitle refund of the remaining period of the temporary license.

- After installation the customer is allowed to test the program BEFORE having to pay for it.
- This is limited to max 2 weeks and is NOT freeware! It is encouraged to not prolong this period as the program will at some point automatically de-install itself.
- During evaluation period (and also after a license is expired) the program will at regular intervals display a "Unlicensed" popup message that can not be clicked away. We know this is annoying but that is intentional.